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Endophyte Toxins in Grass and Other Feed Sources: Risks to Livestock

Many varieties of tall fescue and perennial ryegrass are infected with a fungal endophyte. Endophytes produce bioactive compounds that, while beneficial to the host plants, can be toxic to livestock that consume them. This publication explains what an endophyte is, describes livestock health problems associated with endophytes, outlines research on toxicity levels, and provides information on safe forage and feed management and endophyte testing services.

EM 9156    Published November 2016    10 pages